package com.chenxiao.datasource2.mapper.db1;


import com.chenxiao.datasource2.entity.User;

/**
 * @Author: CX
 * @Date: Created in  2023/12/06 22:08
 * @version: v1.0
 * @Description: TODO
 **/
public interface UserMapper {
  User selectByPrimaryKey(Long id);
}
